Federated namespace management

a namespace management and namespace technology, applied in the field offederation namespace management, can solve the problems of hardware resources that limit the performance of data storage systems, such as data storage arrays, and achieve the effect of reducing hardware resources

Active Publication Date: 2017-05-23
EMC IP HLDG CO LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Performance of data storage systems, such as data storage arrays, may be limited by the hardware resources available to service I / O requests.

Method used

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Examples

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[0019]Referring to FIG. 1, shown is an example of an embodiment of a system that may be used in connection with performing the techniques described herein. The system 10 includes one or more data storage systems 12 connected to server or host systems 14a-14n through communication medium 18. The system 10 also includes a management system 16 connected to one or more data storage systems 12 through communication medium 2. In this embodiment of the system 10, the management system 16, and the N servers or hosts 14a-14n may access the data storage systems 12, for example, in performing input / output (I / O) operations, data requests, and other operations. The communication medium 18 may be any one or more of a variety of networks or other type of communication connections as known to those skilled in the art. Each of the communication mediums 18 and 2 may be a network connection, bus, and / or other type of data link, such as a hardwire or other connections known in the art. For example, th...

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Abstract

Described are techniques for managing a federated namespace of a data storage system federation. A node identifier is assigned to a node. The node identifier uniquely identifies the node in the data storage system federation and is included in a federated node identifier namespace. A portion of a federated target port identifier namespace may be associated with the node identifier. The portion may include target port identifiers reserved from the federated target port identifier namespace for the node. Data storage management information for the data storage system federation may be updated to indicate that the node identifier is allocated from the federated node identifier namespace and that the portion of the federated target port identifier namespace is assigned to the node identifier.

Description

RELATED APPLICATIONS[0001]This application is a continuation of U.S. application Ser. No. 13 / 535,003 filed Jun. 27, 2012 (pending), which is hereby incorporated by reference.BACKGROUND[0002]Technical Field[0003]This application relates to techniques used in connection with data storage systems and more particularly in connection with federation namespace management.[0004]Description of Related Art[0005]Computer systems may include different resources used by one or more host processors. Resources and host processors in a computer system may be interconnected by one or more communication connections. These resources may include, for example, data storage devices such as those included in the data storage systems manufactured by EMC Corporation. These data storage systems may be coupled to one or more servers or host processors and provide storage services to each host processor. Multiple data storage systems from one or more different vendors may be connected and may provide common d...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G06F17/30H04L29/08H04L29/12H04L12/24
CPCH04L67/1097H04L61/3015H04L61/1582H04L41/082G06F17/30209G06F16/256H04L61/5038H04L61/5061H04L2101/631H04L2101/636G06F16/1837H04L61/457
Inventor LONG, MATTHEW
Owner EMC IP HLDG CO LLC
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